Extensions: X

Extension Description Author File / Link
x Microsoft DirectX File Format Specification Version 1.13 (MSWord) Microsoft Download
DirectX SDK & resources Microsoft Deprecated resource Link
x3d Xara 3D (X3D) file format information Bastiaan van der Wulp Deprecated resource Link
xa Maxis XA Audio File Format Description Valery V. Anisimovsky Download
xann XANN Packer format Asle / ReDoX Download
xbe Xbox XBE File Format v0.9 Download
xbm X BitMap Format Download
xcr XCR Archive File Format Download
xdoc Xerox ScanWorX and Textbridge OCR File Format (Word) Xerox Download
xls Microsoft Excel File Format (versions 2, 3, 4, 5, 95, 97, 2000, XP) Daniel Rentz Download
Microsoft Excel File Format (version 2.1) Download
Microsoft Office 97 Excel file format Microsoft Corp. Download
Microsoft Excel Binary File Format (unknown version) Mark O'Brien Download
Compound File Binary File Format Microsoft Corporation Link
The Chicago Project - GPL Excel project Charles Wyble Link
Java Excel API Deprecated resource Link
VB class to write an Excel BIFF 2.1 spreadsheet directly Paul Squires Download
OpenOffice.org's Documentation of the Microsoft Excel File Format Versions 2, 3, 4, 5, 95, 97, 2000, XP, 2003 Daniel Rentz Download
OLE Compound File (Structured Storage) format Deprecated resource Link
xm XM Module Format Description (with corrections) Mr H/Triton Download
Errors in the XM format documentation Zvika Ben-Haim Download
xmi MOF 2.0/XMI Mapping Specification, v2.1 Download
xml Extensible Markup Language (XML) 1.0 Link
xms XMS-Tracker Format Download
eXtended Memory Specification (XMS), ver 3.0 Microsoft Corporation Download
xpm X PIxMap Format definition (Acrobat) Arnaud le Hors Download
xwd X Window Dump files Download
xy3 XyWrite xy3 and xy4 formats & information Carl L. Distefano, Robert J. Holmgren Deprecated resource Link
xyz RM2k XYZ Graphics Format Kevin Gadd aka "Janus/Kaimu" Download